STMicroelectronics STM32L412KBU3 Microcontrollers
Ultra-low-power with FPU Arm Cortex-M4 MCU 80 MHz with 128 Kbytes of Flash memory, USB
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
STM32L412KBU3
Base Model
Detailed Description
Ultra-low-power with FPU Arm Cortex-M4 MCU 80 MHz with 128 Kbytes of Flash memory, USB
Package
32-UFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
STM32L412KBU3 Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics STM32L412KBU3 Microcontrollers technical specifications.
General
Series
STM32L4
RAM Size
40K x 8
Package / Case
32-UFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TA)
Supply Voltage
1.71V ~ 3.6V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, DMA, PWM, WDT
Number of I/O
26
Speed
80MHz
Alternate Parts Comparison (STM32L412KBU3 vs STM32L151V8T6A vs STM32L071CBT6 vs STM32L071RBT6)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Series | STM32L4 | STM32L1 | STM32L0 | STM32L0 |
| Package / Case | 32-UFQFN Exposed Pad | 100-LQFP | 48-LQFP | 64-LQFP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.71V ~ 3.6V | 1.8V ~ 3.6V | 3 V | 3 V |
| Core Processor | ARM® Cortex®-M4 | ARM® Cortex®-M3 | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 40K x 8 | 32K x 8 | 20 kB | 20 kB |
| Lifecycle Status | Active | Active | Production | Production |
| Connectivity | I²C, Infrared, IrDA, LINbus, Quad SPI, SPI, UART/USART, USB | I²C, IrDA, LINbus, SPI, UART/USART, USB | I²C, IrDA, SPI, UART/USART | I²C, IrDA, SPI, UART/USART |
| Data Converters | A/D 10x12b | A/D 24x12b; D/A 2x12b | A/D 13x12b | A/D 16x12b |
| Number of I/O | 26 | 83 | 37 | 51 |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
S6E1C32B0AGN20000Infineon TechnologiesSimilar FunctionalityInfineon
IC MCU 32BIT 128KB FLASH 32LQFP
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